Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 12.47
Milk (kg) -253.00 -0.014 3.54
Fat (kg) -13.69 -0.375 5.13
Prot (kg) -8.61 -0.441 3.80
Fertility Sub Index -0.03
Calving Interval (days) -1.12 -1.459 1.63
Survival (%) -1.49 1.117 -1.66
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index 1.00
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) -3.29 -0.432 1.42
Maintenance Sub Index Maint. Sub Index 0.61
Live WT (kg) -2.00 -0.307 0.61
Total Carbon Sub Index 15.07

* Based on an €80/tonne carbon price